/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*    Observes topic monitor.

*

*

*/

#ifndef CBS_UI_TOPIC_MONITOR_OBSERVER_H

#define CBS_UI_TOPIC_MONITOR_OBSERVER_H

//  INCLUDES

#include <CbsCommon.h>

// CLASS DECLARATION

/**

* Observes topic monitor.

*  

*/

class MCbsUiTopicMonitorObserver

    {

    public:

        /**

        * Topic list or topic messages are changed.

        *

        * @param aEvent reason for event

        * @param aTopicNumber Topic number, which caused the event

        */

        virtual void TopicListChangedL(

            TCbsTopicListEvent aEvent, TCbsTopicNumber aTopicNumber ) = 0;

    };

#endif      // CBS_UI_TOPIC_MONITOR_OBSERVER_H

// End of File